diff --git a/plugins/python-build/share/python-build/pypy-1.8 b/plugins/python-build/share/python-build/pypy-1.8
index 21d6c59d..91ed4879 100644
--- a/plugins/python-build/share/python-build/pypy-1.8
+++ b/plugins/python-build/share/python-build/pypy-1.8
@@ -1,20 +1,20 @@
 case "$(uname -s)" in
 "Darwin" )
-  install_package "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-osx64.tar.bz2#1c293253e8e4df411c3dd59dff82a663" pypy
+  install_package "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-osx64.tar.bz2#1c293253e8e4df411c3dd59dff82a663" pypy verify_py27
   ;;
 "Linux" )
   case "$(uname -m)" in
   "i386" | "i486" | "i586" | "i686" | "i786" )
-    install_package "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-linux.tar.bz2#c4a1d11e0283a390d9e9b801a4633b9f" pypy
+    install_package "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-linux.tar.bz2#c4a1d11e0283a390d9e9b801a4633b9f" pypy verify_py27
     ;;
   "x86_64" )
-    install_package "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-linux64.tar.bz2#3b81363ccbc042dfdda2fabbf419e788" pypy
+    install_package "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-linux64.tar.bz2#3b81363ccbc042dfdda2fabbf419e788" pypy verify_py27
     ;;
   esac
   ;;
 "CYGWIN"* | "MINGW"* )
   # FIXME: never tested on Windows
-  install_zip "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-win32.zip#1af8ee722721e9f5fd06b61af530ecb3" pypy
+  install_zip "pypy-1.8" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-win32.zip#1af8ee722721e9f5fd06b61af530ecb3" pypy verify_py27
   ;;
 * )
   echo "pypy-1.8 is not available." 1>&2
diff --git a/plugins/python-build/share/python-build/pypy-1.9 b/plugins/python-build/share/python-build/pypy-1.9
index f93c3793..d8ea5936 100644
--- a/plugins/python-build/share/python-build/pypy-1.9
+++ b/plugins/python-build/share/python-build/pypy-1.9
@@ -1,20 +1,20 @@
 case "$(uname -s)" in
 "Darwin" )
-  install_package "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-osx64.tar.bz2#aad9c4b7b827583e37fe8ae0f7cfe0ff" pypy
+  install_package "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-osx64.tar.bz2#aad9c4b7b827583e37fe8ae0f7cfe0ff" pypy verify_py27
   ;;
 "Linux" )
   case "$(uname -m)" in
   "i386" | "i486" | "i586" | "i686" | "i786" )
-    install_package "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-linux.tar.bz2#1a08c88642434fc2e0e4256d351f48db" pypy
+    install_package "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-linux.tar.bz2#1a08c88642434fc2e0e4256d351f48db" pypy verify_py27
     ;;
   "x86_64" )
-    install_package "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-linux64.tar.bz2#201d2cce2557e40c784473b471ee1b6b" pypy
+    install_package "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-linux64.tar.bz2#201d2cce2557e40c784473b471ee1b6b" pypy verify_py27
     ;;
   esac
   ;;
 "CYGWIN"* | "MINGW"* )
   # FIXME: never tested on Windows
-  install_zip "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-win32.zip#e7655066baed3c7bbbca7df617817dd5" pypy
+  install_zip "pypy-1.9" "https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-win32.zip#e7655066baed3c7bbbca7df617817dd5" pypy verify_py27
   ;;
 * )
   echo "pypy-1.9 is not available." 1>&2
diff --git a/plugins/python-build/share/python-build/pypy-2.0 b/plugins/python-build/share/python-build/pypy-2.0
index 9ecb66f6..c5ddd66f 100644
--- a/plugins/python-build/share/python-build/pypy-2.0
+++ b/plugins/python-build/share/python-build/pypy-2.0
@@ -1,25 +1,25 @@
 case "$(uname -s)" in
 "Darwin" )
-  install_package "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-osx64.tar.bz2#39837722da4a03ca03eda187aafa13bb" "pypy"
+  install_package "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-osx64.tar.bz2#39837722da4a03ca03eda187aafa13bb" "pypy" verify_py27
   ;;
 "Linux" )
   case "$(uname -m)" in
   "armel" )
-    install_package "pypy-2.0-alpha-arm" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-alpha-arm-armel.tar.bz2#b9c36b99296c85a590c3e480b05d5a13" "pypy"
+    install_package "pypy-2.0-alpha-arm" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-alpha-arm-armel.tar.bz2#b9c36b99296c85a590c3e480b05d5a13" "pypy" verify_py27
   ;;
   "armhf" )
-    install_package "pypy-2.0-alpha-arm" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-alpha-arm-armhf.tar.bz2#2565ce68b4032eb306d998e722495694" "pypy"
+    install_package "pypy-2.0-alpha-arm" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-alpha-arm-armhf.tar.bz2#2565ce68b4032eb306d998e722495694" "pypy" verify_py27
   ;;
   "i386" | "i486" | "i586" | "i686" | "i786" )
-    install_package "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-linux.tar.bz2#267c46ed8c591da19b6091aa90fa9acf" "pypy"
+    install_package "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-linux.tar.bz2#267c46ed8c591da19b6091aa90fa9acf" "pypy" verify_py27
   ;;
   "x86_64" )
-    install_package "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-linux64.tar.bz2#2fe3298ac9354fbdb57a38472936b823" "pypy"
+    install_package "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-linux64.tar.bz2#2fe3298ac9354fbdb57a38472936b823" "pypy" verify_py27
   esac
   ;;
 "CYGWIN"* | "MINGW"* )
   # FIXME: never tested on Windows
-  install_zip "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-win32.zip#f0d051c2b612b64dff496a6c0f3654fb" "pypy"
+  install_zip "pypy-2.0" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-win32.zip#f0d051c2b612b64dff496a6c0f3654fb" "pypy" verify_py27
   ;;
 * )
   echo "pypy-2.0 is not available." 1>&2
diff --git a/plugins/python-build/share/python-build/pypy-2.0-dev b/plugins/python-build/share/python-build/pypy-2.0-dev
index 0c13d85e..039f1a40 100644
--- a/plugins/python-build/share/python-build/pypy-2.0-dev
+++ b/plugins/python-build/share/python-build/pypy-2.0-dev
@@ -1,3 +1,3 @@
-install_hg "pypy-2.0-dev" "https://bitbucket.org/pypy/pypy" "release-2.0.x" "pypy_builder"
+install_hg "pypy-2.0-dev" "https://bitbucket.org/pypy/pypy" "release-2.0.x" "pypy_builder" verify_py27
 install_package "distribute-0.6.43" "http://pypi.python.org/packages/source/d/distribute/distribute-0.6.43.tar.gz#a216a46dc9bec5835fa3c6041f1c77c2" python
 install_package "pip-1.3.1" "http://pypi.python.org/packages/source/p/pip/pip-1.3.1.tar.gz#cbb27a191cebc58997c4da8513863153" python
diff --git a/plugins/python-build/share/python-build/pypy-2.0-src b/plugins/python-build/share/python-build/pypy-2.0-src
index 6d8aa513..189455d3 100644
--- a/plugins/python-build/share/python-build/pypy-2.0-src
+++ b/plugins/python-build/share/python-build/pypy-2.0-src
@@ -1,3 +1,3 @@
-install_package "pypy-2.0-src" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-src.tar.bz2#4dc82e2240dd2b5be313119672988538" "pypy_builder"
+install_package "pypy-2.0-src" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0-src.tar.bz2#4dc82e2240dd2b5be313119672988538" "pypy_builder" verify_py27
 install_package "distribute-0.6.43" "http://pypi.python.org/packages/source/d/distribute/distribute-0.6.43.tar.gz#a216a46dc9bec5835fa3c6041f1c77c2" python
 install_package "pip-1.3.1" "http://pypi.python.org/packages/source/p/pip/pip-1.3.1.tar.gz#cbb27a191cebc58997c4da8513863153" python
diff --git a/plugins/python-build/share/python-build/pypy-2.0.1 b/plugins/python-build/share/python-build/pypy-2.0.1
index 3c8c9a01..40137f9d 100644
--- a/plugins/python-build/share/python-build/pypy-2.0.1
+++ b/plugins/python-build/share/python-build/pypy-2.0.1
@@ -1,19 +1,19 @@
 case "$(uname -s)" in
 "Darwin" )
-  install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#e666450bcfbd936b016a2dd7312f9853" "pypy"
+  install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#e666450bcfbd936b016a2dd7312f9853" "pypy" verify_py27
   ;;
 "Linux" )
   case "$(uname -m)" in
   "i386" | "i486" | "i586" | "i686" | "i786" )
-    install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#8d11952e0356ea751321e7d2a1d4f17a" "pypy"
+    install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#8d11952e0356ea751321e7d2a1d4f17a" "pypy" verify_py27
   ;;
   "x86_64" )
-    install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux64.tar.bz2#5c11d727579443d0834caadb4dfe53e3" "pypy"
+    install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux64.tar.bz2#5c11d727579443d0834caadb4dfe53e3" "pypy" verify_py27
   esac
   ;;
 "CYGWIN"* | "MINGW"* )
   # FIXME: never tested on Windows
-  install_zip "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-win32.zip#4c40b19ea1ec5c8c8c2a1f94f59bdf02" "pypy"
+  install_zip "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-win32.zip#4c40b19ea1ec5c8c8c2a1f94f59bdf02" "pypy" verify_py27
   ;;
 * )
   echo "pypy-2.0 is not available." 1>&2
diff --git a/plugins/python-build/share/python-build/pypy-2.0.1-src b/plugins/python-build/share/python-build/pypy-2.0.1-src
index 02fa2959..3161d773 100644
--- a/plugins/python-build/share/python-build/pypy-2.0.1-src
+++ b/plugins/python-build/share/python-build/pypy-2.0.1-src
@@ -1,3 +1,3 @@
-install_package "pypy-2.0.1-src" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-src.tar.bz2#34072be1eeb63f9d37cf387e58aae81d" "pypy_builder"
+install_package "pypy-2.0.1-src" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-src.tar.bz2#34072be1eeb63f9d37cf387e58aae81d" "pypy_builder" verify_py27
 install_package "distribute-0.6.43" "http://pypi.python.org/packages/source/d/distribute/distribute-0.6.43.tar.gz#a216a46dc9bec5835fa3c6041f1c77c2" python
 install_package "pip-1.3.1" "http://pypi.python.org/packages/source/p/pip/pip-1.3.1.tar.gz#cbb27a191cebc58997c4da8513863153" python
diff --git a/plugins/python-build/share/python-build/pypy-2.0.2 b/plugins/python-build/share/python-build/pypy-2.0.2
index e46ff677..929cec22 100644
--- a/plugins/python-build/share/python-build/pypy-2.0.2
+++ b/plugins/python-build/share/python-build/pypy-2.0.2
@@ -1,19 +1,19 @@
 case "$(uname -s)" in
 "Darwin" )
-  install_package "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-osx64.tar.bz2#a7da45a3161c198de6f662e3c40629ff" "pypy"
+  install_package "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-osx64.tar.bz2#a7da45a3161c198de6f662e3c40629ff" "pypy" verify_py27
   ;;
 "Linux" )
   case "$(uname -m)" in
   "i386" | "i486" | "i586" | "i686" | "i786" )
-    install_package "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-linux.tar.bz2#51ac0aa37a8255acbc71eca23ea29609" "pypy"
+    install_package "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-linux.tar.bz2#51ac0aa37a8255acbc71eca23ea29609" "pypy" verify_py27
   ;;
   "x86_64" )
-    install_package "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-linux64.tar.bz2#9d9f512ab2f114bfb4f165c71181a511" "pypy"
+    install_package "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-linux64.tar.bz2#9d9f512ab2f114bfb4f165c71181a511" "pypy" verify_py27
   esac
   ;;
 "CYGWIN"* | "MINGW"* )
   # FIXME: never tested on Windows
-  install_zip "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-win32.zip#3e51dce7ecfc8fb069d65d95e8de6fb2" "pypy"
+  install_zip "pypy-2.0.2" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-win32.zip#3e51dce7ecfc8fb069d65d95e8de6fb2" "pypy" verify_py27
   ;;
 * )
   echo "pypy-2.0 is not available." 1>&2
diff --git a/plugins/python-build/share/python-build/pypy-2.0.2-src b/plugins/python-build/share/python-build/pypy-2.0.2-src
index 59130c76..4ba75cf3 100644
--- a/plugins/python-build/share/python-build/pypy-2.0.2-src
+++ b/plugins/python-build/share/python-build/pypy-2.0.2-src
@@ -1,3 +1,3 @@
-install_package "pypy-2.0.2-src" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-src.tar.bz2#c26662e348159b460057548ddaf35333" "pypy_builder"
+install_package "pypy-2.0.2-src" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.2-src.tar.bz2#c26662e348159b460057548ddaf35333" "pypy_builder" verify_py27
 install_package "distribute-0.6.43" "http://pypi.python.org/packages/source/d/distribute/distribute-0.6.43.tar.gz#a216a46dc9bec5835fa3c6041f1c77c2" python
 install_package "pip-1.3.1" "http://pypi.python.org/packages/source/p/pip/pip-1.3.1.tar.gz#cbb27a191cebc58997c4da8513863153" python
diff --git a/plugins/python-build/share/python-build/pypy-dev b/plugins/python-build/share/python-build/pypy-dev
index f3d78aae..9ad21dbc 100644
--- a/plugins/python-build/share/python-build/pypy-dev
+++ b/plugins/python-build/share/python-build/pypy-dev
@@ -1,3 +1,3 @@
-install_hg "pypy-dev" "https://bitbucket.org/pypy/pypy" "default" "pypy_builder"
+install_hg "pypy-dev" "https://bitbucket.org/pypy/pypy" "default" "pypy_builder" verify_py27
 install_package "distribute-0.6.43" "http://pypi.python.org/packages/source/d/distribute/distribute-0.6.43.tar.gz#a216a46dc9bec5835fa3c6041f1c77c2" python
 install_package "pip-1.3.1" "http://pypi.python.org/packages/source/p/pip/pip-1.3.1.tar.gz#cbb27a191cebc58997c4da8513863153" python